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A new year and a new light weight project (last one was a poor attempt at a Cannondale Flash Carbon)

I couldnt turn down a fabulous brand new Cannondale Carbon 2012 56 Super six 105 this xmas, as it was a stunning price!

I always approach these projects slightly differently from some. I want light, but not at any price. I have only a limited amount of money to spend each month on my bikes.

The challenge is to try and match the complete bike weight of my good friends bike whos bike i envy! I will be weighing it very soon (i have digital fishing scales on order from ebay £4!). But its a 2008 Trek Madone 6.9 56, XXX carbon wheels 1400g, GP4000s 23's, Frame and fork are top xxx carbon, so is the seatpost, bar and stem, full dura ace 7800 except the chain and cassette which is Sram RED, Look keo Iron man carbon Ti (95g).I am guessing his bike is below the legal limit, so this is going to be hard to match on a tight budget.

Im guessing you lot are up for the challenge?

So what have I got and one already?

I have contacted Cannondale and got a very fast and useful answer on the frame weight, i was kinda a bit over sold the bike as i had assumed that the changes in Cannondales line up for 2012 meant the 2011 supersix himod (890g) became the base 2012 supersix and the new super light supersix evo took over as top dog. This however is not the case. The 2012 super six is new. Has a down tube like a drainpipe and a large 31.6 seatpost (not good for my bum which is coming from the beloved Synapse carbon ive just parted with), and a weight cannondale tell me in a email is 1050g for a 56, they also told me that the evo weighs 710g which is more than their adds say (695g).

So im a a disadvantage from my good buddy already as i do believe his frame is about 850-900g. not good.

i didnt want to remove the bb30 bearings etc so i havent been able to check out the real weight of my frame. sorry.

I have been able to plunder my higher spec 2010 Syanpse Carbon Ultegra for some bits before i sold it, so i swapped:

Ive just weighed the whole bike with pedals but without chain (300g ish) and its 7.36kg but thats with a bontrager saddle fitted. but still with 105 on.

ive just bought some 7800 dura ace brakes from ebay, and some brand new pads, so will be fitting them next week. ive weighed the 105's and they are 190g each (280g total) and i believe the 7800s should be 232g so thats another -48g!

This kinda ties my in with dura ace 7800 now i guess so im going to work my way though the parts as money becomes available.

the bontrager xxx carbon seatpost turns out to be 32g heavier than they say 212g vs 180g, but i have a fair bit spare so i could attack the bottom 10cm off! plus look at getting a ti bolt for it. looks an odd size.

Don't take this the wrong way, but why are you reverting to an earlier series?

7800 was (and is) a good groupset, just wondering why you decided to aim for that rather than (say) Planet-X calipers, Sram Force Shifters and front mech, Red rear mech, Hollowgram Si cranks, which would be quite a bit lighter than full DA 7800, and very affordable (in relative terms of course).

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